Revert "Fix USB Mass Storage on some devices"

This reverts commit 9eb1cd47520498e181a2d9fb2f3b464ae5327bd8.

Change-Id: I66d3d6bb5633e6df3e8f7db250fc6d62817a5489
Add partial support for block_image_update in secondary ROMs ZIPs

Change-Id: Ifb2d6b194c24ba9c587f6ff1d72d68fff64a8d4b
Copy ZIP to /tmp only when we know we need to change it

Change-Id: If7ff7eaa0d4dd083b1801dc8102bee316ccf41d7
Merge branch 'android-4.4' of github.com:omnirom/android_bootable_recovery
Merge remote-tracking branch 'Tasssadar/master'